USA.com / Texas / Williamson County / Round Rock, TX / 78681 / Population and Races / Historical Household and Family Data
78681 Zip Code Historical Household and Family Data
ACS 2010-2014 data
Total population: 54,517
| 78681 Zip Code | Texas | U.S. | |
| Total Households | 17,448, 100% | 9,013,582 | 116,211,092 |
| Average Household Size | 3.12, see rank | 2.83 | 2.63 |
| 1 Person Households | 2,858, 16.38%, see rank | 24.94% | 27.57% |
| 2 or More Person Households | 14,590, 83.62%, see rank | 75.06% | 72.43% |
| Family Households (Families) | 13,938, 79.88%, see rank | 69.65% | 66.22% |
| Average Family Size | 3.57, see rank | 3.51 | 3.32 |
| Married-Couple Family | 11,706, 67.09%, see rank | 50.22% | 48.42% |
| Nonfamily Households | 3,510, 20.12%, see rank | 30.35% | 33.78% |
US Census 2010 data
Total population: 50,606
| 78681 Zip Code | Texas | U.S. | |
| Total Households | 17,220, 100% | 8,922,933 | 116,716,292 |
| Average Household Size | 2.93, see rank | 2.75 | 2.58 |
| 1 Person Households | 2,796, 16.24%, see rank | 24.24% | 26.74% |
| 2 or More Person Households | 14,424, 83.76%, see rank | 75.76% | 73.26% |
| Family Households (Families) | 13,635, 79.18%, see rank | 69.90% | 66.43% |
| Average Family Size | 3.31, see rank | 3.31 | 3.14 |
| Married-Couple Family | 11,391, 66.15%, see rank | 50.60% | 48.42% |
| Nonfamily Households | 3,585, 20.82%, see rank | 30.10% | 33.57% |
ACS 2008-2012 data
Total population: 53,229
| 78681 Zip Code | Texas | U.S. | |
| Total Households | 17,433, 100% | 8,782,598 | 115,226,802 |
| Average Household Size | 3.05, see rank | 2.80 | 2.61 |
| 1 Person Households | 3,046, 17.47%, see rank | 24.85% | 27.45% |
| 2 or More Person Households | 14,387, 82.53%, see rank | 75.15% | 72.55% |
| Family Households (Families) | 13,708, 78.63%, see rank | 69.92% | 66.47% |
| Average Family Size | 3.53, see rank | 3.47 | 3.29 |
| Married-Couple Family | 11,649, 66.82%, see rank | 50.70% | 48.97% |
| Nonfamily Households | 3,725, 21.37%, see rank | 30.08% | 33.53% |
US Census 2000 data
Total population: 31,958
| 78681 Zip Code | Texas | U.S. | |
| Total Households | 10,395, 100% | 7,393,354 | 105,480,101 |
| Average Household Size | 3.06, see rank | 2.74 | 2.59 |
| 1 Person Households | 1,119, 10.76%, see rank | 23.70% | 25.82% |
| 2 or More Person Households | 9,276, 89.24%, see rank | 76.30% | 74.18% |
| Family Households (Families) | 8,883, 85.45%, see rank | 70.98% | 68.06% |
| Average Family Size | 3.30, see rank | 3.28 | 3.14 |
| Married-Couple Family | 7,654, 73.63%, see rank | 53.96% | 51.66% |
| Nonfamily Households | 1,512, 14.55%, see rank | 29.02% | 31.94% |
* ACS stands for U.S. Census American Community Survey. According to the U.S. Census, if the date is a range, you can interpret the data as an average of the period of time.